4728266 has 4 divisors (see below), whose sum is σ = 7092402. Its totient is φ = 2364132.

The previous prime is 4728253. The next prime is 4728287. The reversal of 4728266 is 6628274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6628274 = 2 ⋅3314137.

It can be written as a sum of positive squares in only one way, i.e., 2493241 + 2235025 = 1579^2 + 1495^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1182065 + ... + 1182068.

Almost surely, 2^4728266 is an apocalyptic number.

4728266 is a deficient number, since it is larger than the sum of its proper divisors (2364136).

4728266 is a wasteful number, since it uses less digits than its factorization.

4728266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364135.

The product of its digits is 32256, while the sum is 35.

The square root of 4728266 is about 2174.4576335261. The cubic root of 4728266 is about 167.8419952444.

It can be divided in two parts, 4728 and 266, that added together give a palindrome (4994).

The spelling of 4728266 in words is "four million, seven hundred twenty-eight thousand, two hundred sixty-six".